Adaptive rate transmission with dual noise margins

Details Adaptive rate transmission with dual noise margins Adaptive rate transmission with dual noise margins

2007-10-16

2007-10-16

Fan, Chieh M. (Department: 2611)

Pulse or digital communications

Transceivers

C375S222000, C375S232000, C375S260000, C370S401000, C370S210000, C370S310000, C370S329000, C455S522000, C379S093070

Reexamination Certificate

active

10024048

ABSTRACT:
A method for adaptive-rate communication includes setting a first target signal margin with respect to an actual noise level and a second target signal margin with respect to a predetermined noise level. The actual noise level is measured at a receiver on a communication channel between a transmitter and the receiver. A transmission rate is selected at which to transmit a signal on the channel such that for the selected transmission rate, a first signal-to-noise ratio (SNR) of the signal relative to the measured actual noise level is greater than a baseline SNR level by at least the first target signal margin, and a second SNR of the signal relative to the predetermined noise level is greater than the baseline SNR by at least the second target signal margin.

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